18264544822 has 4 divisors (see below), whose sum is σ = 27396817236. Its totient is φ = 9132272410.

The previous prime is 18264544801. The next prime is 18264544871. The reversal of 18264544822 is 22844546281.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4566136204 + ... + 4566136207.

It is an arithmetic number, because the mean of its divisors is an integer number (6849204309).

Almost surely, 2^18264544822 is an apocalyptic number.

18264544822 is a deficient number, since it is larger than the sum of its proper divisors (9132272414).

18264544822 is an equidigital number, since it uses as much as digits as its factorization.

18264544822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9132272413.

The product of its digits is 983040, while the sum is 46.

The spelling of 18264544822 in words is "eighteen billion, two hundred sixty-four million, five hundred forty-four thousand, eight hundred twenty-two".